Shopping Cart
![](https://www.truecrimeaudio.com/wp-content/uploads/2019/07/missing-author.png?w=500&h=700&crop=1)
Sarah Bergmann
Sarah Bergmann has illustrated two previous books for children. She lives in Seattle, Washington.
Rachel Gordon is a mother of two with extensive experience in potty training. She is also a longtime toilet user, and lives with her family in Brooklyn, New York.
Claudia Gold, M.D., is a board-certified pediatrician and the director of the Early Childhood Social Emotional Health program at Newton-Wellesley Hospital. She writes regularly for her blog on Boston.com, Child in Mind.
Newsletter Signup
By clicking ‘Sign Up,’ I acknowledge that I have read and agree to Hachette Book Group’s Privacy Policy and Terms of Use